/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {AxiosPromise} from 'axios';
import {Compute, JWT, OAuth2Client, UserRefreshClient} from 'google-auth-library';

import {BodyResponseCallback, createAPIRequest, GlobalOptions, GoogleConfigurable, MethodOptions} from '../../shared/src';

// tslint:disable: no-any
// tslint:disable: class-name
// tslint:disable: variable-name
// tslint:disable: jsdoc-format
// tslint:disable: no-namespace

export namespace pubsub_v1beta2 {
  export interface Options extends GlobalOptions {
    version: 'v1beta2';
  }

  /**
   * Cloud Pub/Sub API
   *
   * Provides reliable, many-to-many, asynchronous messaging between
   * applications.
   *
   * @example
   * const {google} = require('googleapis');
   * const pubsub = google.pubsub('v1beta2');
   *
   * @namespace pubsub
   * @type {Function}
   * @version v1beta2
   * @variation v1beta2
   * @param {object=} options Options for Pubsub
   */
  export class Pubsub {
    _options: GlobalOptions;
    google?: GoogleConfigurable;
    root = this;

    projects: Resource$Projects;

    constructor(options: GlobalOptions, google?: GoogleConfigurable) {
      this._options = options || {};
      this.google = google;
      this.getRoot.bind(this);

      this.projects = new Resource$Projects(this);
    }

    getRoot() {
      return this.root;
    }
  }

  /**
   * Request for the Acknowledge method.
   */
  export interface Schema$AcknowledgeRequest {
    /**
     * The acknowledgment ID for the messages being acknowledged that was
     * returned by the Pub/Sub system in the `Pull` response. Must not be empty.
     */
    ackIds?: string[];
  }
  /**
   * Associates `members` with a `role`.
   */
  export interface Schema$Binding {
    /**
     * Specifies the identities requesting access for a Cloud Platform resource.
     * `members` can have the following values:  * `allUsers`: A special
     * identifier that represents anyone who is    on the internet; with or
     * without a Google account.  * `allAuthenticatedUsers`: A special
     * identifier that represents anyone    who is authenticated with a Google
     * account or a service account.  * `user:{emailid}`: An email address that
     * represents a specific Google    account. For example, `alice@gmail.com` .
     * * `serviceAccount:{emailid}`: An email address that represents a service
     * account. For example, `my-other-app@appspot.gserviceaccount.com`.  *
     * `group:{emailid}`: An email address that represents a Google group. For
     * example, `admins@example.com`.   * `domain:{domain}`: A Google Apps
     * domain name that represents all the    users of that domain. For example,
     * `google.com` or `example.com`.
     */
    members?: string[];
    /**
     * Role that is assigned to `members`. For example, `roles/viewer`,
     * `roles/editor`, or `roles/owner`. Required
     */
    role?: string;
  }
  /**
   * A generic empty message that you can re-use to avoid defining duplicated
   * empty messages in your APIs. A typical example is to use it as the request
   * or the response type of an API method. For instance:      service Foo { rpc
   * Bar(google.protobuf.Empty) returns (google.protobuf.Empty);     }  The JSON
   * representation for `Empty` is empty JSON object `{}`.
   */
  export interface Schema$Empty {}
  /**
   * Response for the `ListSubscriptions` method.
   */
  export interface Schema$ListSubscriptionsResponse {
    /**
     * If not empty, indicates that there may be more subscriptions that match
     * the request; this value should be passed in a new
     * `ListSubscriptionsRequest` to get more subscriptions.
     */
    nextPageToken?: string;
    /**
     * The subscriptions that match the request.
     */
    subscriptions?: Schema$Subscription[];
  }
  /**
   * Response for the `ListTopics` method.
   */
  export interface Schema$ListTopicsResponse {
    /**
     * If not empty, indicates that there may be more topics that match the
     * request; this value should be passed in a new `ListTopicsRequest`.
     */
    nextPageToken?: string;
    /**
     * The resulting topics.
     */
    topics?: Schema$Topic[];
  }
  /**
   * Response for the `ListTopicSubscriptions` method.
   */
  export interface Schema$ListTopicSubscriptionsResponse {
    /**
     * If not empty, indicates that there may be more subscriptions that match
     * the request; this value should be passed in a new
     * `ListTopicSubscriptionsRequest` to get more subscriptions.
     */
    nextPageToken?: string;
    /**
     * The names of the subscriptions that match the request.
     */
    subscriptions?: string[];
  }
  /**
   * Request for the ModifyAckDeadline method.
   */
  export interface Schema$ModifyAckDeadlineRequest {
    /**
     * The new ack deadline with respect to the time this request was sent to
     * the Pub/Sub system. Must be &gt;= 0. For example, if the value is 10, the
     * new ack deadline will expire 10 seconds after the `ModifyAckDeadline`
     * call was made. Specifying zero may immediately make the message available
     * for another pull request.
     */
    ackDeadlineSeconds?: number;
    /**
     * The acknowledgment ID. Either this or ack_ids must be populated, but not
     * both.
     */
    ackId?: string;
    /**
     * List of acknowledgment IDs.
     */
    ackIds?: string[];
  }
  /**
   * Request for the ModifyPushConfig method.
   */
  export interface Schema$ModifyPushConfigRequest {
    /**
     * The push configuration for future deliveries.  An empty `pushConfig`
     * indicates that the Pub/Sub system should stop pushing messages from the
     * given subscription and allow messages to be pulled and acknowledged -
     * effectively pausing the subscription if `Pull` is not called.
     */
    pushConfig?: Schema$PushConfig;
  }
  /**
   * Defines an Identity and Access Management (IAM) policy. It is used to
   * specify access control policies for Cloud Platform resources.   A `Policy`
   * consists of a list of `bindings`. A `binding` binds a list of `members` to
   * a `role`, where the members can be user accounts, Google groups, Google
   * domains, and service accounts. A `role` is a named list of permissions
   * defined by IAM.  **JSON Example**      {       &quot;bindings&quot;: [ {
   * &quot;role&quot;: &quot;roles/owner&quot;,           &quot;members&quot;: [
   * &quot;user:mike@example.com&quot;, &quot;group:admins@example.com&quot;,
   * &quot;domain:google.com&quot;,
   * &quot;serviceAccount:my-other-app@appspot.gserviceaccount.com&quot; ] }, {
   * &quot;role&quot;: &quot;roles/viewer&quot;,           &quot;members&quot;:
   * [&quot;user:sean@example.com&quot;]         }       ]     }  **YAML
   * Example**      bindings:     - members:       - user:mike@example.com -
   * group:admins@example.com       - domain:google.com       -
   * serviceAccount:my-other-app@appspot.gserviceaccount.com       role:
   * roles/owner     - members:       - user:sean@example.com       role:
   * roles/viewer   For a description of IAM and its features, see the [IAM
   * developer&#39;s guide](https://cloud.google.com/iam/docs).
   */
  export interface Schema$Policy {
    /**
     * Associates a list of `members` to a `role`. `bindings` with no members
     * will result in an error.
     */
    bindings?: Schema$Binding[];
    /**
     * `etag` is used for optimistic concurrency control as a way to help
     * prevent simultaneous updates of a policy from overwriting each other. It
     * is strongly suggested that systems make use of the `etag` in the
     * read-modify-write cycle to perform policy updates in order to avoid race
     * conditions: An `etag` is returned in the response to `getIamPolicy`, and
     * systems are expected to put that etag in the request to `setIamPolicy` to
     * ensure that their change will be applied to the same version of the
     * policy.  If no `etag` is provided in the call to `setIamPolicy`, then the
     * existing policy is overwritten blindly.
     */
    etag?: string;
    /**
     * Deprecated.
     */
    version?: number;
  }
  /**
   * Request for the Publish method.
   */
  export interface Schema$PublishRequest {
    /**
     * The messages to publish.
     */
    messages?: Schema$PubsubMessage[];
  }
  /**
   * Response for the `Publish` method.
   */
  export interface Schema$PublishResponse {
    /**
     * The server-assigned ID of each published message, in the same order as
     * the messages in the request. IDs are guaranteed to be unique within the
     * topic.
     */
    messageIds?: string[];
  }
  /**
   * A message data and its attributes. The message payload must not be empty;
   * it must contain either a non-empty data field, or at least one attribute.
   */
  export interface Schema$PubsubMessage {
    /**
     * Optional attributes for this message.
     */
    attributes?: any;
    /**
     * The message payload. For JSON requests, the value of this field must be
     * [base64-encoded](https://tools.ietf.org/html/rfc4648).
     */
    data?: string;
    /**
     * ID of this message, assigned by the server when the message is published.
     * Guaranteed to be unique within the topic. This value may be read by a
     * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
     * delivery. It must not be populated by the publisher in a `Publish` call.
     */
    messageId?: string;
    /**
     * The time at which the message was published, populated by the server when
     * it receives the `Publish` call. It must not be populated by the publisher
     * in a `Publish` call.
     */
    publishTime?: string;
  }
  /**
   * Request for the `Pull` method.
   */
  export interface Schema$PullRequest {
    /**
     * The maximum number of messages returned for this request. The Pub/Sub
     * system may return fewer than the number specified.
     */
    maxMessages?: number;
    /**
     * If this is specified as true the system will respond immediately even if
     * it is not able to return a message in the `Pull` response. Otherwise the
     * system is allowed to wait until at least one message is available rather
     * than returning no messages. The client may cancel the request if it does
     * not wish to wait any longer for the response.
     */
    returnImmediately?: boolean;
  }
  /**
   * Response for the `Pull` method.
   */
  export interface Schema$PullResponse {
    /**
     * Received Pub/Sub messages. The Pub/Sub system will return zero messages
     * if there are no more available in the backlog. The Pub/Sub system may
     * return fewer than the `maxMessages` requested even if there are more
     * messages available in the backlog.
     */
    receivedMessages?: Schema$ReceivedMessage[];
  }
  /**
   * Configuration for a push delivery endpoint.
   */
  export interface Schema$PushConfig {
    /**
     * Endpoint configuration attributes.  Every endpoint has a set of API
     * supported attributes that can be used to control different aspects of the
     * message delivery.  The currently supported attribute is `x-goog-version`,
     * which you can use to change the format of the push message. This
     * attribute indicates the version of the data expected by the endpoint.
     * This controls the shape of the envelope (i.e. its fields and metadata).
     * The endpoint version is based on the version of the Pub/Sub API.  If not
     * present during the `CreateSubscription` call, it will default to the
     * version of the API used to make such call. If not present during a
     * `ModifyPushConfig` call, its value will not be changed. `GetSubscription`
     * calls will always return a valid version, even if the subscription was
     * created without this attribute.  The possible values for this attribute
     * are:  * `v1beta1`: uses the push format defined in the v1beta1 Pub/Sub
     * API. * `v1` or `v1beta2`: uses the push format defined in the v1 Pub/Sub
     * API.
     */
    attributes?: any;
    /**
     * A URL locating the endpoint to which messages should be pushed. For
     * example, a Webhook endpoint might use
     * &quot;https://example.com/push&quot;.
     */
    pushEndpoint?: string;
  }
  /**
   * A message and its corresponding acknowledgment ID.
   */
  export interface Schema$ReceivedMessage {
    /**
     * This ID can be used to acknowledge the received message.
     */
    ackId?: string;
    /**
     * The message.
     */
    message?: Schema$PubsubMessage;
  }
  /**
   * Request message for `SetIamPolicy` method.
   */
  export interface Schema$SetIamPolicyRequest {
    /**
     * REQUIRED: The complete policy to be applied to the `resource`. The size
     * of the policy is limited to a few 10s of KB. An empty policy is a valid
     * policy but certain Cloud Platform services (such as Projects) might
     * reject them.
     */
    policy?: Schema$Policy;
  }
  /**
   * A subscription resource.
   */
  export interface Schema$Subscription {
    /**
     * This value is the maximum time after a subscriber receives a message
     * before the subscriber should acknowledge the message. After message
     * delivery but before the ack deadline expires and before the message is
     * acknowledged, it is an outstanding message and will not be delivered
     * again during that time (on a best-effort basis).  For pull subscriptions,
     * this value is used as the initial value for the ack deadline. To override
     * this value for a given message, call `ModifyAckDeadline` with the
     * corresponding `ack_id` if using pull. The maximum custom deadline you can
     * specify is 600 seconds (10 minutes).  For push delivery, this value is
     * also used to set the request timeout for the call to the push endpoint.
     * If the subscriber never acknowledges the message, the Pub/Sub system will
     * eventually redeliver the message.  If this parameter is 0, a default
     * value of 10 seconds is used.
     */
    ackDeadlineSeconds?: number;
    /**
     * The name of the subscription. It must have the format
     * `&quot;projects/{project}/subscriptions/{subscription}&quot;`.
     * `{subscription}` must start with a letter, and contain only letters
     * (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods
     * (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be
     * between 3 and 255 characters in length, and it must not start with
     * `&quot;goog&quot;`.
     */
    name?: string;
    /**
     * If push delivery is used with this subscription, this field is used to
     * configure it. An empty `pushConfig` signifies that the subscriber will
     * pull and ack messages using API methods.
     */
    pushConfig?: Schema$PushConfig;
    /**
     * The name of the topic from which this subscription is receiving messages.
     * The value of this field will be `_deleted-topic_` if the topic has been
     * deleted.
     */
    topic?: string;
  }
  /**
   * Request message for `TestIamPermissions` method.
   */
  export interface Schema$TestIamPermissionsRequest {
    /**
     * The set of permissions to check for the `resource`. Permissions with
     * wildcards (such as &#39;*&#39; or &#39;storage.*&#39;) are not allowed.
     * For more information see [IAM
     * Overview](https://cloud.google.com/iam/docs/overview#permissions).
     */
    permissions?: string[];
  }
  /**
   * Response message for `TestIamPermissions` method.
   */
  export interface Schema$TestIamPermissionsResponse {
    /**
     * A subset of `TestPermissionsRequest.permissions` that the caller is
     * allowed.
     */
    permissions?: string[];
  }
  /**
   * A topic resource.
   */
  export interface Schema$Topic {
    /**
     * The name of the topic. It must have the format
     * `&quot;projects/{project}/topics/{topic}&quot;`. `{topic}` must start
     * with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`),
     * dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`)
     * or percent signs (`%`). It must be between 3 and 255 characters in
     * length, and it must not start with `&quot;goog&quot;`.
     */
    name?: string;
  }


  export class Resource$Projects {
    root: Pubsub;
    subscriptions: Resource$Projects$Subscriptions;
    topics: Resource$Projects$Topics;
    constructor(root: Pubsub) {
      this.root = root;
      this.getRoot.bind(this);
      this.subscriptions = new Resource$Projects$Subscriptions(root);
      this.topics = new Resource$Projects$Topics(root);
    }

    getRoot() {
      return this.root;
    }
  }


  export class Resource$Projects$Subscriptions {
    root: Pubsub;
    constructor(root: Pubsub) {
      this.root = root;
      this.getRoot.bind(this);
    }

    getRoot() {
      return this.root;
    }


    /**
     * pubsub.projects.subscriptions.acknowledge
     * @desc Acknowledges the messages associated with the `ack_ids` in the
     * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
     * from the subscription.  Acknowledging a message whose ack deadline has
     * expired may succeed, but such a message may be redelivered later.
     * Acknowledging a message more than once will not result in an error.
     * @alias pubsub.projects.subscriptions.acknowledge
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription whose message is being acknowledged.
     * @param {().AcknowledgeRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    acknowledge(
        params?: Params$Resource$Projects$Subscriptions$Acknowledge,
        options?: MethodOptions): AxiosPromise<Schema$Empty>;
    acknowledge(
        params: Params$Resource$Projects$Subscriptions$Acknowledge,
        options: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback: BodyResponseCallback<Schema$Empty>): void;
    acknowledge(
        params: Params$Resource$Projects$Subscriptions$Acknowledge,
        callback: BodyResponseCallback<Schema$Empty>): void;
    acknowledge(callback: BodyResponseCallback<Schema$Empty>): void;
    acknowledge(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Acknowledge|
        BodyResponseCallback<Schema$Empty>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback?: BodyResponseCallback<Schema$Empty>):
        void|AxiosPromise<Schema$Empty> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Acknowledge;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Acknowledge;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}:acknowledge')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Empty>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Empty>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.create
     * @desc Creates a subscription to a given topic. If the subscription
     * already exists, returns `ALREADY_EXISTS`. If the corresponding topic
     * doesn't exist, returns `NOT_FOUND`.  If the name is not provided in the
     * request, the server will assign a random name for this subscription on
     * the same project as the topic. Note that for REST API requests, you must
     * specify a name.
     * @alias pubsub.projects.subscriptions.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the subscription. It must have the format `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     * @param {().Subscription} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(
        params?: Params$Resource$Projects$Subscriptions$Create,
        options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    create(
        params: Params$Resource$Projects$Subscriptions$Create,
        options: MethodOptions|BodyResponseCallback<Schema$Subscription>,
        callback: BodyResponseCallback<Schema$Subscription>): void;
    create(
        params: Params$Resource$Projects$Subscriptions$Create,
        callback: BodyResponseCallback<Schema$Subscription>): void;
    create(callback: BodyResponseCallback<Schema$Subscription>): void;
    create(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Create|
        BodyResponseCallback<Schema$Subscription>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$Subscription>,
        callback?: BodyResponseCallback<Schema$Subscription>):
        void|AxiosPromise<Schema$Subscription> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Create;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Create;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+name}').replace(/([^:]\/)\/+/g, '$1'),
              method: 'PUT'
            },
            options),
        params,
        requiredParams: ['name'],
        pathParams: ['name'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Subscription>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Subscription>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.delete
     * @desc Deletes an existing subscription. All pending messages in the
     * subscription are immediately dropped. Calls to `Pull` after deletion will
     * return `NOT_FOUND`. After a subscription is deleted, a new one may be
     * created with the same name, but the new one has no association with the
     * old subscription, or its topic unless the same topic is specified.
     * @alias pubsub.projects.subscriptions.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription to delete.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(
        params?: Params$Resource$Projects$Subscriptions$Delete,
        options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(
        params: Params$Resource$Projects$Subscriptions$Delete,
        options: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback: BodyResponseCallback<Schema$Empty>): void;
    delete(
        params: Params$Resource$Projects$Subscriptions$Delete,
        callback: BodyResponseCallback<Schema$Empty>): void;
    delete(callback: BodyResponseCallback<Schema$Empty>): void;
    delete(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Delete|
        BodyResponseCallback<Schema$Empty>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback?: BodyResponseCallback<Schema$Empty>):
        void|AxiosPromise<Schema$Empty> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Delete;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Delete;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'DELETE'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Empty>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Empty>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.get
     * @desc Gets the configuration details of a subscription.
     * @alias pubsub.projects.subscriptions.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription to get.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: Params$Resource$Projects$Subscriptions$Get,
        options?: MethodOptions): AxiosPromise<Schema$Subscription>;
    get(params: Params$Resource$Projects$Subscriptions$Get,
        options: MethodOptions|BodyResponseCallback<Schema$Subscription>,
        callback: BodyResponseCallback<Schema$Subscription>): void;
    get(params: Params$Resource$Projects$Subscriptions$Get,
        callback: BodyResponseCallback<Schema$Subscription>): void;
    get(callback: BodyResponseCallback<Schema$Subscription>): void;
    get(paramsOrCallback?: Params$Resource$Projects$Subscriptions$Get|
        BodyResponseCallback<Schema$Subscription>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$Subscription>,
        callback?: BodyResponseCallback<Schema$Subscription>):
        void|AxiosPromise<Schema$Subscription> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Get;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Get;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Subscription>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Subscription>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.getIamPolicy
     * @desc Gets the access control policy for a resource. Returns an empty
     * policy if the resource exists and does not have a policy set.
     * @alias pubsub.projects.subscriptions.getIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    getIamPolicy(
        params?: Params$Resource$Projects$Subscriptions$Getiampolicy,
        options?: MethodOptions): AxiosPromise<Schema$Policy>;
    getIamPolicy(
        params: Params$Resource$Projects$Subscriptions$Getiampolicy,
        options: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(
        params: Params$Resource$Projects$Subscriptions$Getiampolicy,
        callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Getiampolicy|
        BodyResponseCallback<Schema$Policy>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback?: BodyResponseCallback<Schema$Policy>):
        void|AxiosPromise<Schema$Policy> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Getiampolicy;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Getiampolicy;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:getIamPolicy')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Policy>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Policy>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.list
     * @desc Lists matching subscriptions.
     * @alias pubsub.projects.subscriptions.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of subscriptions to return.
     * @param {string=} params.pageToken The value returned by the last `ListSubscriptionsResponse`; indicates that this is a continuation of a prior `ListSubscriptions` call, and that the system should return the next page of data.
     * @param {string} params.project The name of the cloud project that subscriptions belong to.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(
        params?: Params$Resource$Projects$Subscriptions$List,
        options?: MethodOptions):
        AxiosPromise<Schema$ListSubscriptionsResponse>;
    list(
        params: Params$Resource$Projects$Subscriptions$List,
        options: MethodOptions|
        BodyResponseCallback<Schema$ListSubscriptionsResponse>,
        callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
    list(
        params: Params$Resource$Projects$Subscriptions$List,
        callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>): void;
    list(callback: BodyResponseCallback<Schema$ListSubscriptionsResponse>):
        void;
    list(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$List|
        BodyResponseCallback<Schema$ListSubscriptionsResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$ListSubscriptionsResponse>,
        callback?: BodyResponseCallback<Schema$ListSubscriptionsResponse>):
        void|AxiosPromise<Schema$ListSubscriptionsResponse> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$List;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$List;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+project}/subscriptions')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['project'],
        pathParams: ['project'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$ListSubscriptionsResponse>(
            parameters, callback);
      } else {
        return createAPIRequest<Schema$ListSubscriptionsResponse>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.modifyAckDeadline
     * @desc Modifies the ack deadline for a specific message. This method is
     * useful to indicate that more time is needed to process a message by the
     * subscriber, or to make the message available for redelivery if the
     * processing was interrupted. Note that this does not modify the
     * subscription-level `ackDeadlineSeconds` used for subsequent messages.
     * @alias pubsub.projects.subscriptions.modifyAckDeadline
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription.
     * @param {().ModifyAckDeadlineRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    modifyAckDeadline(
        params?: Params$Resource$Projects$Subscriptions$Modifyackdeadline,
        options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyAckDeadline(
        params: Params$Resource$Projects$Subscriptions$Modifyackdeadline,
        options: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback: BodyResponseCallback<Schema$Empty>): void;
    modifyAckDeadline(
        params: Params$Resource$Projects$Subscriptions$Modifyackdeadline,
        callback: BodyResponseCallback<Schema$Empty>): void;
    modifyAckDeadline(callback: BodyResponseCallback<Schema$Empty>): void;
    modifyAckDeadline(
        paramsOrCallback?:
            Params$Resource$Projects$Subscriptions$Modifyackdeadline|
        BodyResponseCallback<Schema$Empty>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback?: BodyResponseCallback<Schema$Empty>):
        void|AxiosPromise<Schema$Empty> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Modifyackdeadline;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Modifyackdeadline;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}:modifyAckDeadline')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Empty>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Empty>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.modifyPushConfig
     * @desc Modifies the `PushConfig` for a specified subscription.  This may
     * be used to change a push subscription to a pull one (signified by an
     * empty `PushConfig`) or vice versa, or change the endpoint URL and other
     * attributes of a push subscription. Messages will accumulate for delivery
     * continuously through the call regardless of changes to the `PushConfig`.
     * @alias pubsub.projects.subscriptions.modifyPushConfig
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The name of the subscription.
     * @param {().ModifyPushConfigRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    modifyPushConfig(
        params?: Params$Resource$Projects$Subscriptions$Modifypushconfig,
        options?: MethodOptions): AxiosPromise<Schema$Empty>;
    modifyPushConfig(
        params: Params$Resource$Projects$Subscriptions$Modifypushconfig,
        options: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback: BodyResponseCallback<Schema$Empty>): void;
    modifyPushConfig(
        params: Params$Resource$Projects$Subscriptions$Modifypushconfig,
        callback: BodyResponseCallback<Schema$Empty>): void;
    modifyPushConfig(callback: BodyResponseCallback<Schema$Empty>): void;
    modifyPushConfig(
        paramsOrCallback?:
            Params$Resource$Projects$Subscriptions$Modifypushconfig|
        BodyResponseCallback<Schema$Empty>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback?: BodyResponseCallback<Schema$Empty>):
        void|AxiosPromise<Schema$Empty> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Modifypushconfig;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Modifypushconfig;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}:modifyPushConfig')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Empty>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Empty>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.pull
     * @desc Pulls messages from the server. Returns an empty list if there are
     * no messages available in the backlog. The server may return `UNAVAILABLE`
     * if there are too many concurrent pull requests pending for the given
     * subscription.
     * @alias pubsub.projects.subscriptions.pull
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.subscription The subscription from which messages should be pulled.
     * @param {().PullRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    pull(
        params?: Params$Resource$Projects$Subscriptions$Pull,
        options?: MethodOptions): AxiosPromise<Schema$PullResponse>;
    pull(
        params: Params$Resource$Projects$Subscriptions$Pull,
        options: MethodOptions|BodyResponseCallback<Schema$PullResponse>,
        callback: BodyResponseCallback<Schema$PullResponse>): void;
    pull(
        params: Params$Resource$Projects$Subscriptions$Pull,
        callback: BodyResponseCallback<Schema$PullResponse>): void;
    pull(callback: BodyResponseCallback<Schema$PullResponse>): void;
    pull(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Pull|
        BodyResponseCallback<Schema$PullResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$PullResponse>,
        callback?: BodyResponseCallback<Schema$PullResponse>):
        void|AxiosPromise<Schema$PullResponse> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Pull;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Pull;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+subscription}:pull')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['subscription'],
        pathParams: ['subscription'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$PullResponse>(parameters, callback);
      } else {
        return createAPIRequest<Schema$PullResponse>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.setIamPolicy
     * @desc Sets the access control policy on the specified resource. Replaces
     * any existing policy.
     * @alias pubsub.projects.subscriptions.setIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.
     * @param {().SetIamPolicyRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    setIamPolicy(
        params?: Params$Resource$Projects$Subscriptions$Setiampolicy,
        options?: MethodOptions): AxiosPromise<Schema$Policy>;
    setIamPolicy(
        params: Params$Resource$Projects$Subscriptions$Setiampolicy,
        options: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(
        params: Params$Resource$Projects$Subscriptions$Setiampolicy,
        callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(
        paramsOrCallback?: Params$Resource$Projects$Subscriptions$Setiampolicy|
        BodyResponseCallback<Schema$Policy>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback?: BodyResponseCallback<Schema$Policy>):
        void|AxiosPromise<Schema$Policy> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Setiampolicy;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Subscriptions$Setiampolicy;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:setIamPolicy')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Policy>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Policy>(parameters);
      }
    }


    /**
     * pubsub.projects.subscriptions.testIamPermissions
     * @desc Returns permissions that a caller has on the specified resource. If
     * the resource does not exist, this will return an empty set of
     * permissions, not a NOT_FOUND error.  Note: This operation is designed to
     * be used for building permission-aware UIs and command-line tools, not for
     * authorization checking. This operation may "fail open" without warning.
     * @alias pubsub.projects.subscriptions.testIamPermissions
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.
     * @param {().TestIamPermissionsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    testIamPermissions(
        params?: Params$Resource$Projects$Subscriptions$Testiampermissions,
        options?: MethodOptions):
        AxiosPromise<Schema$TestIamPermissionsResponse>;
    testIamPermissions(
        params: Params$Resource$Projects$Subscriptions$Testiampermissions,
        options: MethodOptions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        params: Params$Resource$Projects$Subscriptions$Testiampermissions,
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        paramsOrCallback?:
            Params$Resource$Projects$Subscriptions$Testiampermissions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        callback?: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void|AxiosPromise<Schema$TestIamPermissionsResponse> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Subscriptions$Testiampermissions;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as
            Params$Resource$Projects$Subscriptions$Testiampermissions;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:testIamPermissions')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$TestIamPermissionsResponse>(
            parameters, callback);
      } else {
        return createAPIRequest<Schema$TestIamPermissionsResponse>(parameters);
      }
    }
  }

  export interface Params$Resource$Projects$Subscriptions$Acknowledge {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The subscription whose message is being acknowledged.
     */
    subscription?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$AcknowledgeRequest;
  }
  export interface Params$Resource$Projects$Subscriptions$Create {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the subscription. It must have the format
     * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}`
     * must start with a letter, and contain only letters (`[A-Za-z]`), numbers
     * (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`),
     * plus (`+`) or percent signs (`%`). It must be between 3 and 255
     * characters in length, and it must not start with `"goog"`.
     */
    name?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$Subscription;
  }
  export interface Params$Resource$Projects$Subscriptions$Delete {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The subscription to delete.
     */
    subscription?: string;
  }
  export interface Params$Resource$Projects$Subscriptions$Get {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the subscription to get.
     */
    subscription?: string;
  }
  export interface Params$Resource$Projects$Subscriptions$Getiampolicy {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy is being requested. See the
     * operation documentation for the appropriate value for this field.
     */
    resource?: string;
  }
  export interface Params$Resource$Projects$Subscriptions$List {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * Maximum number of subscriptions to return.
     */
    pageSize?: number;
    /**
     * The value returned by the last `ListSubscriptionsResponse`; indicates
     * that this is a continuation of a prior `ListSubscriptions` call, and that
     * the system should return the next page of data.
     */
    pageToken?: string;
    /**
     * The name of the cloud project that subscriptions belong to.
     */
    project?: string;
  }
  export interface Params$Resource$Projects$Subscriptions$Modifyackdeadline {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the subscription.
     */
    subscription?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$ModifyAckDeadlineRequest;
  }
  export interface Params$Resource$Projects$Subscriptions$Modifypushconfig {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the subscription.
     */
    subscription?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$ModifyPushConfigRequest;
  }
  export interface Params$Resource$Projects$Subscriptions$Pull {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The subscription from which messages should be pulled.
     */
    subscription?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$PullRequest;
  }
  export interface Params$Resource$Projects$Subscriptions$Setiampolicy {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy is being specified. See the
     * operation documentation for the appropriate value for this field.
     */
    resource?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$SetIamPolicyRequest;
  }
  export interface Params$Resource$Projects$Subscriptions$Testiampermissions {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy detail is being requested.
     * See the operation documentation for the appropriate value for this field.
     */
    resource?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$TestIamPermissionsRequest;
  }


  export class Resource$Projects$Topics {
    root: Pubsub;
    subscriptions: Resource$Projects$Topics$Subscriptions;
    constructor(root: Pubsub) {
      this.root = root;
      this.getRoot.bind(this);
      this.subscriptions = new Resource$Projects$Topics$Subscriptions(root);
    }

    getRoot() {
      return this.root;
    }


    /**
     * pubsub.projects.topics.create
     * @desc Creates the given topic with the given name.
     * @alias pubsub.projects.topics.create
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.name The name of the topic. It must have the format `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in length, and it must not start with `"goog"`.
     * @param {().Topic} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    create(
        params?: Params$Resource$Projects$Topics$Create,
        options?: MethodOptions): AxiosPromise<Schema$Topic>;
    create(
        params: Params$Resource$Projects$Topics$Create,
        options: MethodOptions|BodyResponseCallback<Schema$Topic>,
        callback: BodyResponseCallback<Schema$Topic>): void;
    create(
        params: Params$Resource$Projects$Topics$Create,
        callback: BodyResponseCallback<Schema$Topic>): void;
    create(callback: BodyResponseCallback<Schema$Topic>): void;
    create(
        paramsOrCallback?: Params$Resource$Projects$Topics$Create|
        BodyResponseCallback<Schema$Topic>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Topic>,
        callback?: BodyResponseCallback<Schema$Topic>):
        void|AxiosPromise<Schema$Topic> {
      let params =
          (paramsOrCallback || {}) as Params$Resource$Projects$Topics$Create;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Create;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+name}').replace(/([^:]\/)\/+/g, '$1'),
              method: 'PUT'
            },
            options),
        params,
        requiredParams: ['name'],
        pathParams: ['name'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Topic>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Topic>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.delete
     * @desc Deletes the topic with the given name. Returns `NOT_FOUND` if the
     * topic does not exist. After a topic is deleted, a new topic may be
     * created with the same name; this is an entirely new topic with none of
     * the old configuration or subscriptions. Existing subscriptions to this
     * topic are not deleted, but their `topic` field is set to
     * `_deleted-topic_`.
     * @alias pubsub.projects.topics.delete
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic Name of the topic to delete.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    delete(
        params?: Params$Resource$Projects$Topics$Delete,
        options?: MethodOptions): AxiosPromise<Schema$Empty>;
    delete(
        params: Params$Resource$Projects$Topics$Delete,
        options: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback: BodyResponseCallback<Schema$Empty>): void;
    delete(
        params: Params$Resource$Projects$Topics$Delete,
        callback: BodyResponseCallback<Schema$Empty>): void;
    delete(callback: BodyResponseCallback<Schema$Empty>): void;
    delete(
        paramsOrCallback?: Params$Resource$Projects$Topics$Delete|
        BodyResponseCallback<Schema$Empty>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Empty>,
        callback?: BodyResponseCallback<Schema$Empty>):
        void|AxiosPromise<Schema$Empty> {
      let params =
          (paramsOrCallback || {}) as Params$Resource$Projects$Topics$Delete;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Delete;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url:
                  (rootUrl + '/v1beta2/{+topic}').replace(/([^:]\/)\/+/g, '$1'),
              method: 'DELETE'
            },
            options),
        params,
        requiredParams: ['topic'],
        pathParams: ['topic'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Empty>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Empty>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.get
     * @desc Gets the configuration of a topic.
     * @alias pubsub.projects.topics.get
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic The name of the topic to get.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    get(params?: Params$Resource$Projects$Topics$Get,
        options?: MethodOptions): AxiosPromise<Schema$Topic>;
    get(params: Params$Resource$Projects$Topics$Get,
        options: MethodOptions|BodyResponseCallback<Schema$Topic>,
        callback: BodyResponseCallback<Schema$Topic>): void;
    get(params: Params$Resource$Projects$Topics$Get,
        callback: BodyResponseCallback<Schema$Topic>): void;
    get(callback: BodyResponseCallback<Schema$Topic>): void;
    get(paramsOrCallback?: Params$Resource$Projects$Topics$Get|
        BodyResponseCallback<Schema$Topic>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Topic>,
        callback?: BodyResponseCallback<Schema$Topic>):
        void|AxiosPromise<Schema$Topic> {
      let params =
          (paramsOrCallback || {}) as Params$Resource$Projects$Topics$Get;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Get;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url:
                  (rootUrl + '/v1beta2/{+topic}').replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['topic'],
        pathParams: ['topic'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Topic>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Topic>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.getIamPolicy
     * @desc Gets the access control policy for a resource. Returns an empty
     * policy if the resource exists and does not have a policy set.
     * @alias pubsub.projects.topics.getIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being requested. See the operation documentation for the appropriate value for this field.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    getIamPolicy(
        params?: Params$Resource$Projects$Topics$Getiampolicy,
        options?: MethodOptions): AxiosPromise<Schema$Policy>;
    getIamPolicy(
        params: Params$Resource$Projects$Topics$Getiampolicy,
        options: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(
        params: Params$Resource$Projects$Topics$Getiampolicy,
        callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(callback: BodyResponseCallback<Schema$Policy>): void;
    getIamPolicy(
        paramsOrCallback?: Params$Resource$Projects$Topics$Getiampolicy|
        BodyResponseCallback<Schema$Policy>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback?: BodyResponseCallback<Schema$Policy>):
        void|AxiosPromise<Schema$Policy> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Topics$Getiampolicy;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Getiampolicy;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:getIamPolicy')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Policy>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Policy>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.list
     * @desc Lists matching topics.
     * @alias pubsub.projects.topics.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of topics to return.
     * @param {string=} params.pageToken The value returned by the last `ListTopicsResponse`; indicates that this is a continuation of a prior `ListTopics` call, and that the system should return the next page of data.
     * @param {string} params.project The name of the cloud project that topics belong to.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(
        params?: Params$Resource$Projects$Topics$List,
        options?: MethodOptions): AxiosPromise<Schema$ListTopicsResponse>;
    list(
        params: Params$Resource$Projects$Topics$List,
        options: MethodOptions|BodyResponseCallback<Schema$ListTopicsResponse>,
        callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
    list(
        params: Params$Resource$Projects$Topics$List,
        callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
    list(callback: BodyResponseCallback<Schema$ListTopicsResponse>): void;
    list(
        paramsOrCallback?: Params$Resource$Projects$Topics$List|
        BodyResponseCallback<Schema$ListTopicsResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$ListTopicsResponse>,
        callback?: BodyResponseCallback<Schema$ListTopicsResponse>):
        void|AxiosPromise<Schema$ListTopicsResponse> {
      let params =
          (paramsOrCallback || {}) as Params$Resource$Projects$Topics$List;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$List;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+project}/topics')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['project'],
        pathParams: ['project'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$ListTopicsResponse>(parameters, callback);
      } else {
        return createAPIRequest<Schema$ListTopicsResponse>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.publish
     * @desc Adds one or more messages to the topic. Returns `NOT_FOUND` if the
     * topic does not exist. The message payload must not be empty; it must
     * contain  either a non-empty data field, or at least one attribute.
     * @alias pubsub.projects.topics.publish
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.topic The messages in the request will be published on this topic.
     * @param {().PublishRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    publish(
        params?: Params$Resource$Projects$Topics$Publish,
        options?: MethodOptions): AxiosPromise<Schema$PublishResponse>;
    publish(
        params: Params$Resource$Projects$Topics$Publish,
        options: MethodOptions|BodyResponseCallback<Schema$PublishResponse>,
        callback: BodyResponseCallback<Schema$PublishResponse>): void;
    publish(
        params: Params$Resource$Projects$Topics$Publish,
        callback: BodyResponseCallback<Schema$PublishResponse>): void;
    publish(callback: BodyResponseCallback<Schema$PublishResponse>): void;
    publish(
        paramsOrCallback?: Params$Resource$Projects$Topics$Publish|
        BodyResponseCallback<Schema$PublishResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$PublishResponse>,
        callback?: BodyResponseCallback<Schema$PublishResponse>):
        void|AxiosPromise<Schema$PublishResponse> {
      let params =
          (paramsOrCallback || {}) as Params$Resource$Projects$Topics$Publish;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Publish;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+topic}:publish')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['topic'],
        pathParams: ['topic'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$PublishResponse>(parameters, callback);
      } else {
        return createAPIRequest<Schema$PublishResponse>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.setIamPolicy
     * @desc Sets the access control policy on the specified resource. Replaces
     * any existing policy.
     * @alias pubsub.projects.topics.setIamPolicy
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy is being specified. See the operation documentation for the appropriate value for this field.
     * @param {().SetIamPolicyRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    setIamPolicy(
        params?: Params$Resource$Projects$Topics$Setiampolicy,
        options?: MethodOptions): AxiosPromise<Schema$Policy>;
    setIamPolicy(
        params: Params$Resource$Projects$Topics$Setiampolicy,
        options: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(
        params: Params$Resource$Projects$Topics$Setiampolicy,
        callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(callback: BodyResponseCallback<Schema$Policy>): void;
    setIamPolicy(
        paramsOrCallback?: Params$Resource$Projects$Topics$Setiampolicy|
        BodyResponseCallback<Schema$Policy>,
        optionsOrCallback?: MethodOptions|BodyResponseCallback<Schema$Policy>,
        callback?: BodyResponseCallback<Schema$Policy>):
        void|AxiosPromise<Schema$Policy> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Topics$Setiampolicy;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Setiampolicy;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:setIamPolicy')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$Policy>(parameters, callback);
      } else {
        return createAPIRequest<Schema$Policy>(parameters);
      }
    }


    /**
     * pubsub.projects.topics.testIamPermissions
     * @desc Returns permissions that a caller has on the specified resource. If
     * the resource does not exist, this will return an empty set of
     * permissions, not a NOT_FOUND error.  Note: This operation is designed to
     * be used for building permission-aware UIs and command-line tools, not for
     * authorization checking. This operation may "fail open" without warning.
     * @alias pubsub.projects.topics.testIamPermissions
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {string} params.resource_ REQUIRED: The resource for which the policy detail is being requested. See the operation documentation for the appropriate value for this field.
     * @param {().TestIamPermissionsRequest} params.resource Request body data
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    testIamPermissions(
        params?: Params$Resource$Projects$Topics$Testiampermissions,
        options?: MethodOptions):
        AxiosPromise<Schema$TestIamPermissionsResponse>;
    testIamPermissions(
        params: Params$Resource$Projects$Topics$Testiampermissions,
        options: MethodOptions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        params: Params$Resource$Projects$Topics$Testiampermissions,
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        callback: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void;
    testIamPermissions(
        paramsOrCallback?: Params$Resource$Projects$Topics$Testiampermissions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$TestIamPermissionsResponse>,
        callback?: BodyResponseCallback<Schema$TestIamPermissionsResponse>):
        void|AxiosPromise<Schema$TestIamPermissionsResponse> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Topics$Testiampermissions;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Testiampermissions;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+resource}:testIamPermissions')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'POST'
            },
            options),
        params,
        requiredParams: ['resource'],
        pathParams: ['resource'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$TestIamPermissionsResponse>(
            parameters, callback);
      } else {
        return createAPIRequest<Schema$TestIamPermissionsResponse>(parameters);
      }
    }
  }

  export interface Params$Resource$Projects$Topics$Create {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the topic. It must have the format
     * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a
     * letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes
     * (`-`), underscores (`_`), periods (`.`), tildes (`~`), plus (`+`) or
     * percent signs (`%`). It must be between 3 and 255 characters in length,
     * and it must not start with `"goog"`.
     */
    name?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$Topic;
  }
  export interface Params$Resource$Projects$Topics$Delete {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * Name of the topic to delete.
     */
    topic?: string;
  }
  export interface Params$Resource$Projects$Topics$Get {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The name of the topic to get.
     */
    topic?: string;
  }
  export interface Params$Resource$Projects$Topics$Getiampolicy {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy is being requested. See the
     * operation documentation for the appropriate value for this field.
     */
    resource?: string;
  }
  export interface Params$Resource$Projects$Topics$List {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * Maximum number of topics to return.
     */
    pageSize?: number;
    /**
     * The value returned by the last `ListTopicsResponse`; indicates that this
     * is a continuation of a prior `ListTopics` call, and that the system
     * should return the next page of data.
     */
    pageToken?: string;
    /**
     * The name of the cloud project that topics belong to.
     */
    project?: string;
  }
  export interface Params$Resource$Projects$Topics$Publish {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * The messages in the request will be published on this topic.
     */
    topic?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$PublishRequest;
  }
  export interface Params$Resource$Projects$Topics$Setiampolicy {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy is being specified. See the
     * operation documentation for the appropriate value for this field.
     */
    resource?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$SetIamPolicyRequest;
  }
  export interface Params$Resource$Projects$Topics$Testiampermissions {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * REQUIRED: The resource for which the policy detail is being requested.
     * See the operation documentation for the appropriate value for this field.
     */
    resource?: string;

    /**
     * Request body metadata
     */
    requestBody?: Schema$TestIamPermissionsRequest;
  }

  export class Resource$Projects$Topics$Subscriptions {
    root: Pubsub;
    constructor(root: Pubsub) {
      this.root = root;
      this.getRoot.bind(this);
    }

    getRoot() {
      return this.root;
    }


    /**
     * pubsub.projects.topics.subscriptions.list
     * @desc Lists the name of the subscriptions for this topic.
     * @alias pubsub.projects.topics.subscriptions.list
     * @memberOf! ()
     *
     * @param {object} params Parameters for request
     * @param {integer=} params.pageSize Maximum number of subscription names to return.
     * @param {string=} params.pageToken The value returned by the last `ListTopicSubscriptionsResponse`; indicates that this is a continuation of a prior `ListTopicSubscriptions` call, and that the system should return the next page of data.
     * @param {string} params.topic The name of the topic that subscriptions are attached to.
     * @param {object} [options] Optionally override request options, such as `url`, `method`, and `encoding`.
     * @param {callback} callback The callback that handles the response.
     * @return {object} Request object
     */
    list(
        params?: Params$Resource$Projects$Topics$Subscriptions$List,
        options?: MethodOptions):
        AxiosPromise<Schema$ListTopicSubscriptionsResponse>;
    list(
        params: Params$Resource$Projects$Topics$Subscriptions$List,
        options: MethodOptions|
        BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>,
        callback: BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>):
        void;
    list(
        params: Params$Resource$Projects$Topics$Subscriptions$List,
        callback: BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>):
        void;
    list(callback: BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>):
        void;
    list(
        paramsOrCallback?: Params$Resource$Projects$Topics$Subscriptions$List|
        BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>,
        optionsOrCallback?: MethodOptions|
        BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>,
        callback?: BodyResponseCallback<Schema$ListTopicSubscriptionsResponse>):
        void|AxiosPromise<Schema$ListTopicSubscriptionsResponse> {
      let params = (paramsOrCallback || {}) as
          Params$Resource$Projects$Topics$Subscriptions$List;
      let options = (optionsOrCallback || {}) as MethodOptions;

      if (typeof paramsOrCallback === 'function') {
        callback = paramsOrCallback;
        params = {} as Params$Resource$Projects$Topics$Subscriptions$List;
        options = {};
      }

      if (typeof optionsOrCallback === 'function') {
        callback = optionsOrCallback;
        options = {};
      }

      const rootUrl = options.rootUrl || 'https://pubsub.googleapis.com/';
      const parameters = {
        options: Object.assign(
            {
              url: (rootUrl + '/v1beta2/{+topic}/subscriptions')
                       .replace(/([^:]\/)\/+/g, '$1'),
              method: 'GET'
            },
            options),
        params,
        requiredParams: ['topic'],
        pathParams: ['topic'],
        context: this.getRoot()
      };
      if (callback) {
        createAPIRequest<Schema$ListTopicSubscriptionsResponse>(
            parameters, callback);
      } else {
        return createAPIRequest<Schema$ListTopicSubscriptionsResponse>(
            parameters);
      }
    }
  }

  export interface Params$Resource$Projects$Topics$Subscriptions$List {
    /**
     * Auth client or API Key for the request
     */
    auth?: string|OAuth2Client|JWT|Compute|UserRefreshClient;

    /**
     * Maximum number of subscription names to return.
     */
    pageSize?: number;
    /**
     * The value returned by the last `ListTopicSubscriptionsResponse`;
     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
     * call, and that the system should return the next page of data.
     */
    pageToken?: string;
    /**
     * The name of the topic that subscriptions are attached to.
     */
    topic?: string;
  }
}
